mac: a waterproof raincoat made of rubberized fabric
MAC: a data communication protocol sub-layer, also known as the Media Access Control
Mac: a brand name which covers several lines of personal computers designed, developed, and marketed by Apple Inc.

The link was removed. It redirected to a spoofed web page that was (rather poorly) made to look like the iTunes sign in page. Clicking any of the links would redirect to the actual Apple page, but it was obviously created to trick people into trying to enter their usernames and passwords into the faked page.

Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!